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Tag: "disruptive" at biology news

100 percent of pregnant women have at least one kind of pesticide in their placenta

...centas, López studied the presence of 17 endocrine disruptive organochlorine pesticides (i.e., pesticides which ...do not really know the consequences of exposure to disruptive pesticides in children, but we can predict that they may have serious effects, since this placenta e...

Penn study on lung-infecting bacterial enzyme suggests new approach to cystic fibrosis treatment

...eality. The Penn research team demonstrated the disruptive action of SMase in frog oocytes (egg cells) engineered to place CFTR in their membrane. These oocytes are an experimental tool that allows the researchers to assess the flow of ions across the membrane by measuring electrical current. The researchers...

Nanoscale microscope sheds first light on gene repair

...resolution electron microscopy are often offset by disruptive sample preparation requirements. Light microscopy allows easier sample prep and observations of living cells, but it has limited resolution. By manipulating how light waves behave, however, biophysicists are expanding the limits of light microscopy, ...

Polynesia explorers created worldwide web of scientific knowledge

...us island politics, exploitative native elites and disruptive consequences of their own visits that called into question the naive assumption of fraternity with native peoples," Liebersohn wrote. Despite everything, these three travelers became "influential and insightful ethnographers," Liebersohn argues. "Co...

What the eye doesn't see

...istol provides the strongest evidence to date that disruptive patterns do indeed protect insects from detection by birds, the predator most likely to have shaped the evolution of protective coloration in insects. Professor Innes Cuthill and his team pinned artificial 'moths' to trees in a field with a dead mea...

Finding hidden invaders in a Hawaiian rain forest

...understory species, kahili ginger, one of the most disruptive weeds in Hawaiian rain forests." Asner commented on the expanded effort with the multi-institutional team: "Because Hawaii contains so many different types of ecosystems, from desert grasslands to tropical rain forests, Carnegie's ecological remote ...

Highly adaptable genome in gut bacterium key to intestinal health

...chanism to avoid causing a potentially damaging or disruptive host immune response. "B. theta is an incredibly sophisticated and versatile diner," says Justin Sonnenburg, Ph.D., W.M. Keck Foundation postdoctoral research scholar in the Center for Genome Sciences. "Instead of dying off when its usual source of ...

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